Histakool, Clemizol, 1-(4-chloro-benzyl)-2-pyrrolidin-1-ylmethyl-1H-benzoimidazole, 1-(p-Chlorobenzyl)-2-pyrrolidylmethylenebenzimidazole, 1-(4-chloro-benzyl)-2-pyrrolidinomethyl-1H-benzimidazole, Histacur, 1-(4-chlorobenzyl)-2-(pyrrolidin-1-ylmethyl)-1H-benzimidazole, 1-(4-Chlor-benzyl)-2-pyrrolidinomethyl-1H-benzimidazol, 1H-Benzimidazole,1-[(4-chlorophenyl)methyl]-2-(1-pyrrolidinylmethyl), 1-[(4-chlorophenyl)methyl]-2-(pyrrolidin-1-ylmethyl)benzimidazole, Clemizole, Clemizolum